655490837760 has 144 divisors (see below), whose sum is σ = 2283789816000. Its totient is φ = 158906859520.

The previous prime is 655490837669. The next prime is 655490837803. The reversal of 655490837760 is 67738094556.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 655490837694 and 655490837703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7716885 + ... + 7801364.

It is an arithmetic number, because the mean of its divisors is an integer number (15859651500).

Almost surely, 2^655490837760 is an apocalyptic number.

655490837760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655490837760 is an abundant number, since it is smaller than the sum of its proper divisors (1628298978240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655490837760 is a wasteful number, since it uses less digits than its factorization.

655490837760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15518284 (or 15518270 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 655490837760 in words is "six hundred fifty-five billion, four hundred ninety million, eight hundred thirty-seven thousand, seven hundred sixty".